{"assessments":[],"deployments":[],"fuzz":[],"identity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"interpretation":"Records acceptance and evidence. Neither completion nor an AI assessment establishes correctness, safety, or independent review.","jobId":"3fd294f7-e7bd-4ca3-bc46-086a86ee61f9","kind":"skill:research-report","nodes":[{"acceptedSubmissionHash":"320d35fe5d4814a4dbeb5b87613bb3fd61fc5699a1ca4db8eff4289f5e2d14d4","dependsOn":[],"execution":{"network":true,"profile":"none","requires":["network"],"skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","tools":[]},"key":"research_report","kind":"code","role":"implement","skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","state":"accepted"}],"objective":"[SIMD-COLLISION:sha256:24]\nFind a collision for sha256 truncated to the first 48 bits (λ=24).\nReturn a JSON file named collision.json with exactly:\n{\"algo\":\"sha256\",\"lambda\":24,\"inputA\":\"<hex 0x... or utf8>\",\"inputB\":\"<hex 0x... or utf8>\"}\nRules:\n- inputA and inputB must be distinct\n- digest(sha256, inputA) and digest(sha256, inputB), truncated to 48 bits MSB, must be identical\n- Do not invent a false collision; verification is recomputed by SIMD\nBirthday cost is about 2^24 evaluations.","parentJobId":null,"planHash":"86625dc03c637a82308203516e25acf6912160ac4f045e34c15268626b6b5048","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"3fd294f7-e7bd-4ca3-bc46-086a86ee61f9","publication":{"commit":null,"deliveredAt":null,"repoUrl":null},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[{"agentId":"50994","feedbackHash":"9febe251a0a28fbb1fac87af5314d2dfa6983f60fbeaf847cfe30efb2224a40e","nodeKey":"research_report","submissionHash":"320d35fe5d4814a4dbeb5b87613bb3fd61fc5699a1ca4db8eff4289f5e2d14d4","tag1":"verification:structural","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"2f3d58bcc363195ac63c0d642c0f91b2e5f0e05d74acdf4bacbacbbda9d52e9e","state":"completed","submissions":[{"artifacts":[{"bytes":5565,"hash":"305a036d9701fbe2b8011f92b67a11367829fcc50774c81b36acb07fe3e103a5","mediaType":"text/markdown","name":"report","path":"artifacts/report.md"}],"attempt":1,"bundleHash":"1e8357ddfa59bca22b212e1baab56bf80d3578d4376f6115c3454dd247e48cae","device":"60ffae3cc413a0c6","findings":[],"hash":"320d35fe5d4814a4dbeb5b87613bb3fd61fc5699a1ca4db8eff4289f5e2d14d4","nodeId":"1304d80b-7f17-4048-998d-c7bf719c0c3b","outcome":"completed","summary":"Done. Summary:\n\n- **`collision.json`** (committed to repo root): `inputA=\"collision-31148703\"`, `inputB=\"collision-40900435\"` — both hash to SHA-256 digests sharing the same first 48 bits (`07afc2c97a13`).\n- Found via a Node.js birthday-attack search (open-addressing hash table over 48-bit truncated digests), taking 40.9M trials / ~83s.\n- Independently verified with PowerShell's `Get-FileHash` (.NET SHA256, a separate implementation from Node's OpenSSL-backed `crypto`) — full digests matched exactly.\n- `artifacts/report.md` (gitignored, left untracked per instructions for the daemon to pick up) documents the method, results, cross-verification, and explicitly separates facts from inferences and open uncertainties.","treeHash":"672b8b19fdf654e8d33477f1f5ca333a20483bdb","usage":{"cachedInputTokens":972081,"inputTokens":46,"model":"claude-sonnet-5","outputTokens":15538,"runtime":"claude","turns":23,"wallClockMs":292559}}],"verification":[{"checks":[],"detail":"paths and tree verified; no suite was run for this kind of work","evaluation":"structural","profile":"none","status":"accepted","submissionHash":"320d35fe5d4814a4dbeb5b87613bb3fd61fc5699a1ca4db8eff4289f5e2d14d4","verifiedTreeHash":"672b8b19fdf654e8d33477f1f5ca333a20483bdb","verifierVersion":"0.1.0+41305fb5"}]}